马赫
Mǎ​hè

Ernst Mach

  • updated sense approved 马赫/馬赫 · Mǎ​hè · mach

    马赫 / 馬赫

    Mǎ​hè

    mach

    Mach number, a dimensionless unit representing the ratio of the speed of an object to the speed of sound

    这架飞机的最高飞行速度可以达到二马赫。

    measure word → measure word, numeral

    updated sense

  • created sense approved 马赫/馬赫 · Mǎ​hè · Ernst Mach

    马赫 / 馬赫

    Mǎ​hè

    Ernst Mach

    Ernst Mach (1838-1916), German physicist and philosopher whose name is used for the Mach number

    马赫的物理学思想对爱因斯坦产生了深远影响。

    proper name

    created sense

  • created sense approved 马赫/馬赫 · Mǎ​hè · mach

    马赫 / 馬赫

    Mǎ​hè

    mach

    Mach number, a dimensionless unit representing the ratio of the speed of an object to the speed of sound

    这架飞机的最高飞行速度可以达到二马赫。

    measure word

    created sense